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Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/positioning/viewportclientposition.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/positioning/viewportclientposition.js | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/positioning/viewportclientposition.js b/contexts/data/lib/closure-library/closure/goog/positioning/viewportclientposition.js deleted file mode 100644 index 3d0582d..0000000 --- a/contexts/data/lib/closure-library/closure/goog/positioning/viewportclientposition.js +++ /dev/null @@ -1,121 +0,0 @@ -// Copyright 2006 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Client viewport positioning class. - * - * @author robbyw@google.com (Robert Walker) - * @author eae@google.com (Emil A Eklund) - */ - -goog.provide('goog.positioning.ViewportClientPosition'); - -goog.require('goog.math.Box'); -goog.require('goog.math.Coordinate'); -goog.require('goog.math.Size'); -goog.require('goog.positioning.ClientPosition'); - - - -/** - * Encapsulates a popup position where the popup is positioned relative to the - * window (client) coordinates, and made to stay within the viewport. - * - * @param {number|goog.math.Coordinate} arg1 Left position or coordinate. - * @param {number=} opt_arg2 Top position if arg1 is a number representing the - * left position, ignored otherwise. - * @constructor - * @extends {goog.positioning.ClientPosition} - */ -goog.positioning.ViewportClientPosition = function(arg1, opt_arg2) { - goog.positioning.ClientPosition.call(this, arg1, opt_arg2); -}; -goog.inherits(goog.positioning.ViewportClientPosition, - goog.positioning.ClientPosition); - - -/** - * The last-resort overflow strategy, if the popup fails to fit. - * @type {number} - * @private - */ -goog.positioning.ViewportClientPosition.prototype.lastResortOverflow_ = 0; - - -/** - * Set the last-resort overflow strategy, if the popup fails to fit. - * @param {number} overflow A bitmask of goog.positioning.Overflow strategies. - */ -goog.positioning.ViewportClientPosition.prototype.setLastResortOverflow = - function(overflow) { - this.lastResortOverflow_ = overflow; -}; - - -/** - * Repositions the popup according to the current state. - * - * @param {Element} element The DOM element of the popup. - * @param {goog.positioning.Corner} popupCorner The corner of the popup - * element that that should be positioned adjacent to the anchorElement. - * One of the goog.positioning.Corner constants. - * @param {goog.math.Box=} opt_margin A margin specified in pixels. - * @param {goog.math.Size=} opt_preferredSize Preferred size fo the element. - * @override - */ -goog.positioning.ViewportClientPosition.prototype.reposition = function( - element, popupCorner, opt_margin, opt_preferredSize) { - var viewportElt = goog.style.getClientViewportElement(element); - var viewport = goog.style.getVisibleRectForElement(viewportElt); - var scrollEl = goog.dom.getDomHelper(element).getDocumentScrollElement(); - var clientPos = new goog.math.Coordinate( - this.coordinate.x + scrollEl.scrollLeft, - this.coordinate.y + scrollEl.scrollTop); - - var failXY = goog.positioning.Overflow.FAIL_X | - goog.positioning.Overflow.FAIL_Y; - var corner = popupCorner; - - // Try the requested position. - var status = goog.positioning.positionAtCoordinate(clientPos, element, corner, - opt_margin, viewport, failXY, opt_preferredSize); - if ((status & goog.positioning.OverflowStatus.FAILED) == 0) { - return; - } - - // Outside left or right edge of viewport, try try to flip it horizontally. - if (status & goog.positioning.OverflowStatus.FAILED_LEFT || - status & goog.positioning.OverflowStatus.FAILED_RIGHT) { - corner = goog.positioning.flipCornerHorizontal(corner); - } - - // Outside top or bottom edge of viewport, try try to flip it vertically. - if (status & goog.positioning.OverflowStatus.FAILED_TOP || - status & goog.positioning.OverflowStatus.FAILED_BOTTOM) { - corner = goog.positioning.flipCornerVertical(corner); - } - - // Try flipped position. - status = goog.positioning.positionAtCoordinate(clientPos, element, corner, - opt_margin, viewport, failXY, opt_preferredSize); - if ((status & goog.positioning.OverflowStatus.FAILED) == 0) { - return; - } - - // If that failed, the viewport is simply too small to contain the popup. - // Revert to the original position. - goog.positioning.positionAtCoordinate( - clientPos, element, popupCorner, opt_margin, viewport, - this.lastResortOverflow_, opt_preferredSize); -}; |